\ 



109 



Creek, Bowmau ; Bnllandool-Iiiver, Looker ; Carpentaria at 

 Anilienn's Land, F. M. Planta quoque occurrit inter eas Drum- 

 mondi, fortasse ad flumeu Murchisoni obtenta, IStirps digituni 

 usque cubitum ulta. Folia iis congencrum siupe breviora et minus 

 involuta, hauJ puugcntia. Panicula 2-pollicaris usquc pcdalis, si 

 elongata conspicue intcrrupta, ferc semper arctissima, nuuc palliJa 

 fere albida, nunc fere omnino purpurascens. Sepahim exterius dorso 

 laxe villosura, Caryopsis libera, lineam longa, lincari-ellipsoidca, 

 glabi'a, pelluccns. Planta sequenti quoad faciem simillima. 



Ectrosia lcj)ori?ia (R. Br, Pr. 186) iu Australia boixali et cen- 

 trali occurrit ; e. g. ad Point Pearce et Victoria's River, F. M. ; 

 PortDarwin, Schultz ; Capc York, Da^mel ; Yandilla inDarIing's 

 Downs, Lau. Gramcii cubitale vel humillus. Panicula purpu- 

 rascit v. pallescit. Rachis villosula» Sepalum exterius praster 

 aristam scabridulam circiter lineara longum, glabrum. Planta 

 simulat Polypogonem Monspeliensem. 



■ Ectrosia spadicca (R. Br. Pr. 186), si plantam legitimam nimis 

 breviter definitam recognosco, ad Fitzmauricc's River, Victoria 

 River et Sturt's Crcek me ipso repcriebatur ; eandem attulit a 



Purdic's Ponds cl. Waterhouse, a Port Darwin cL Schultz. 

 Panicula stepe pallcscens. Sepalum exterius dorso plus minus 

 scabrum, fere asperum, prreter aristam \^2"' longum. Arista 

 serrulato-scabra, validior quara eu congeneris. Carjopsis libera, 

 liueari-ellipsoidea, glabra, pelluccus^ vix lineam longa. 



Elythrophorus articulatiis (Beauvois Essai, p. 67, planch. xiv. 

 lig. 2 ; Kuuth Gramin, ii. 481, tab. lo4 ; Dactylis spicata, WiUden. 

 in Act. der Naturforsch. Freunde zu Berhn iii. 41 o; Sesleria 

 spicataj Spreng. pug. ii. 21 ; Echinalysium articulatum^ Trin. 

 Fundam. 142 ^ E. strictum, Trin. L c.) generice Ectrosiam valdc 

 appropiuquat. Gramcn annuum, hactenus e locis sequentibus 

 Australia) mihi notum : Murray*s River prope junctionem fluminis 

 Murrumbidgce, F. M. ; Rockhamptou, 0'Shanesy ; Gainsford ct 

 Herberfs Creek, Bowman ; Bowen's Downs, Birch ; Victoria's 

 River, F. M. Locos coenosos qucerit. Caulis 1^"-1-|' altus. Panl- 

 cula spiciformis interrupte glomerata, ^"-V louga. Authex^a^ 

 minutoe, flavce, cordato-ovatos. • 



Pennisctum refractum (Setaria refracta, F. M. Fragm. Phytogr. 

 Austr. iii. 147) sub expeditioue Howittli exploratoria ad flumeu 

 Barcoo collectum est. Serraturai setarum antrorsae. Genus Se- 

 taria (fere Panici sectio) servari possit distinctum a Peuuiseto 

 genuino ob involucrum persistens minus regulare v. incompletum. 

 E sectione v. genere Setaria dme aliaj species Australiauae mihi 

 not^ sunt, altera a flumine De Grey's River, altera a Carpentaria. 



r 



Pennisetum Arnhemicum. 



Erectum, foliis angustis planiusculis v. margine concurvatis, 

 petiolis vaginautibus scabriusculis ore proeter cilia ligularia glabris. 



